Verification of Standard and Specification Flow-Down in Procurement
Published .
Applicable Standards
AS9102Applicable Sections
- ✓Form 2 — Product Accountability
- ✓Form 3 — Characteristic Accountability
Related
- AS9100
- ISO 9001
Topics
- procurement
- flow-down
- specification
- receiving-inspection
- certification
- fai
A supplier received a purchase order for a component with multiple engineering standards referenced on the drawing. During receiving inspection, the prime's quality engineer reviewed the supplier's certification package, including the material certificate of conformance and the First Article Inspection Report.
The certification package listed an incorrect or obsolete standard, or misinterpreted a test method standard as a material specification. This created ambiguity as to whether the delivered product conformed to all design and procurement requirements.
Key Takeaways
- The discrepancy resulted in a rejection at receiving inspection and required the supplier to provide corrected documentation.
- This led to program delays while the supplier investigated their process for flowing down and verifying technical requirements.
- The certification package listed an incorrect or obsolete standard, or misinterpreted a test method standard as a material specification.
Common Mistakes
- The certification package listed an incorrect or obsolete standard, or misinterpreted a test method standard as a material specification.
- Drawing notes not captured as characteristics.
Best Practice
Procurement and quality functions must ensure that purchase orders explicitly flow down all applicable and current engineering standards, and receiving inspection must rigorously verify that supplier certifications cite the exact specifications and revision levels required by the design definition.
Reflects the recommended position based on community discussion and expert review.
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